<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <center>
        <form th:action="@{b.html}">
            姓名:<input name="ctNumber" type="text"/><br>
            年龄:<input name="ctName" type="text"/><br>
            <input type="submit" value="提交">
        </form>
    </center>
</body>
</html>